Custom Plastic Products,plastic Products Manufacturers

WHAT IS POLYPROPYLENE? Jan 28, 2019
POLYPROPYLENE injection molding we simply say PP injection molding, compared with polypropylene, PP is easier, polypropylene is a thermoplastic polymer material, a wide range of applications.It is produced in a process called chain length polymerization, and it is formed from its monomer propylene.Italian scientists discovered it as early as the 1950s It has the following characteristics; It has h...
- PP injection mould
- injection mould making
- plastic mold factory
Injection molding machine common problems and solutions (1) Jan 28, 2019
1, No mode-locking 1) Check the stroke switch of safety door and repair it. 2) Check the 24V5A power supply in the electric box and change the insurance and power supply box. 3) Check if the valve plug is stuck and clean the valve plug. 4) Check if the I/O board has output and whether the solenoid valve is energized. 5) Check if the hydraulic safety switch is pressed and the mechanical lock lever ...
Solution for defects of transparent plastic injection parts Feb 15, 2019
(1) eliminate the interference of gas and other impurities, and fully dry the plastic. (2) reduce the feed temperature, adjust the feed barrel temperature in stages, and appropriately increase the mold temperature. (3) increase the injection pressure and reduce the injection speed. (4) increase or decrease the preplasticized back pressure, reduce the screw speed. (5) improve the exhaust condition ...
- plastic injection mold
- plastic mould
- injection molding
Causes of color defects in injection parts Feb 15, 2019
(1) poor mold finish, mold surface rust, mold exhaust is bad. (2) if the casting system of the mold has defects, the cold feed well should be increased, and the flow passage, polishing mainstream passage, diversion passage and gate should be increased. (3) the material temperature and mold temperature are low, if necessary, local heating method of gate can be used. (4) low processing pressure, slo...
- plastic injection molding
- custom plastic part
- injection mould.
What is the effect of mold flow analysis on the mold? Feb 22, 2019
1. You can know if the part is full. The analysis can also provide other useful information such as the required injection pressure and clamping pressure. 2. You can know if the part has a filling problem. Many filling problems, such as short shots, bubbles and unbalanced filling, can be determined by careful analysis of the filling curve. Mold flow analysis allows you to change the position of th...
Venting of plastic injection molds Mar 02, 2019
It is well known that the exhaust of injection mold is a problem that cannot be ignored in the mold design.Mold inner product set in the normal production of gas mainly has the following sources: 1. The feed system and the entities of the air in the cavity. 2. The plastic contains moisture evaporation and water vapor generated at high temperature. 3. The gas produced by plastic decomposition. 4. S...
- plastic injection molding
- custom plastic part
- mold manufacture
Procedures of Plastic Thermoforming Mar 15, 2019
The basic process of hot thermoforming is: clamping, heating, molding, cooling, demoulding. Among them, molding is the most important and complex. Plastic thermoforming is mostly carried out on the moulding machine, which varies greatly with the different methods of thermoforming. Not all kinds of moulding machines are required to complete the above five processes, and it can be chosen accor...
- Plastic Thermoforming
- plastic parts
- molded parts
What is Over-Mold? Mar 21, 2019
When We say "Over-Mold" means the secondary injection molding of the product. The main product consists of two parts, one refers to the plastic inside, and the other refers to the soft part outside. At the time of mold manufacturing, a plastic mold, that is, a main hard mold, is first manufactured. After he cools naturally, he puts it in another pair of molds and re-inserts the m...
- plastic over-mold
- TPU part mold
- secondary injection mold

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